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Finding the Fourth Proportional to 64,630.75, 97,036.96 and 33,063.46

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Solution

The fourth proportional to 64,630.75, 97,036.96 and 33,063.46 is: 49,641.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.75 : 97,036.96 = 33,063.46 : x
  2. Step 2: Convert to fraction form
    64,630.75/97,036.96 = 33,063.46/x
  3. Step 3: Cross multiply
    64,630.75x = 97,036.96 × 33,063.46
  4. Step 4: Simplify right side
    64,630.75x = 3,208,376,994.98
  5. Step 5: Solve for x
    x = 3,208,376,994.98/64,630.75
  6. Step 6: Final answer
    x = 49,641.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.